{ config, lib, pkgs, ... }: with lib; { config = { systemd.user.slices.app-test = { Unit = { Description = "Slice for a test app"; }; Slice = { MemoryHigh = "30%"; MemoryMax = "40%"; }; }; nmt.script = '' sliceFile=home-files/.config/systemd/user/app-test.slice assertFileExists $sliceFile assertFileContent $sliceFile ${ builtins.toFile "app-test-expected.conf" '' [Slice] MemoryHigh=30% MemoryMax=40% [Unit] Description=Slice for a test app '' } ''; }; }